/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/Views/List/Modes/ObjectMixerOutlinerHierarchy.h
Create all component items for an actor if we are showing components and place them in OutItems. Items not added if filtered out. If components are returned or would be returned before filters, the Actor will be added at the beginning of the array.
[TArray](API\Runtime\Core\Containers\TArray)< FSceneOutlinerTreeItemPtr > ConditionallyCreateActorAndComponentItems ( [AActor](API\Runtime\Engine\GameFramework\AActor) * Actor ) const